Table 2 Concordant/discordant agreement between staging HN-MRI and histopathology for T-category

HN-MRI T-Category

All patients

137

2/137

-

3/137

23/137

109/137

cT1

2/137

-

-

-

1/2(50%)

1/2(50%)

0.001

cT2

2/137

-

-

2/2(100%)

-

-

cT3

17/137

1/17(5.9%)

1/17(5.9%)

9/17(52.9%)

6/17(35.3%)

cT4a

116/137

1/116(0.9%)

-

-

13/116(11.2%)

102/116(87.9%)

HN-MRI T-Category

(Primary laryngectomy)

pT0

pT1

pT2

pT3

pT4

p-value

Total

82

-

-

1/82

12/82

69/100

cT1

-

-

-

-

-

-

0.004

cT2

-

-

-

-

-

-

cT3

4/82

-

-

1/4(25%)

2/4(50%)

1/4(25%)

cT4a

78/82

-

-

-

10/78(12.8%)

68/78(87.2%)

HN-MRI T-Category

(Salvage laryngectomy)

rpT0

rpT1

rpT2

rpT3

rpT4a

p-value

Total

55

2/55

-

2/55

11/55

40/55

cT1

2/55

-

-

-

1/2(50%)

1/2(50%)

0.001

cT2

2/55

-

-

2/2(100%)

-

-

cT3

13/55

1/13(7.7%)

-

-

7/13(53.8%)

5/13(38.5%)

cT4a

38/55

1/38(2.6%)

-

-

3/38(7.9%)

34/38(89.5%)